/*
 * MIT License
 *
 * Copyright (c) 2024 恩爸编程
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in all
 * copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */
package com.enba.boot.encrypt;

import com.enba.boot.encrypt.enums.EncryptionType;
import com.enba.boot.encrypt.factory.EncryptionServiceFactory;
import com.enba.boot.encrypt.strategy.EncryptionStrategy;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;

@Component
public class EncryptHelper {

  private final EncryptionServiceFactory encryptionServiceFactory;

  @Autowired
  public EncryptHelper(EncryptionServiceFactory encryptionServiceFactory) {
    this.encryptionServiceFactory = encryptionServiceFactory;
  }

  private String performEncryption(EncryptionType type, String data) throws Exception {
    EncryptionStrategy service = encryptionServiceFactory.getEncryptionService(type);
    return service.encrypt(data);
  }

  private String performDecryption(EncryptionType type, String encryptedData) throws Exception {
    EncryptionStrategy service = encryptionServiceFactory.getEncryptionService(type);
    return service.decrypt(encryptedData);
  }

  /**
   * AES加密
   *
   * @param data 要加密的数据
   * @return 加密后的数据
   * @throws Exception 异常
   */
  public String performAesEncryption(String data) throws Exception {
    return performEncryption(EncryptionType.AES, data);
  }

  /**
   * AES解密
   *
   * @param encryptedData 密文
   * @return 解密后的原始数据
   * @throws Exception 异常
   */
  public String performAesDecryption(String encryptedData) throws Exception {
    return performDecryption(EncryptionType.AES, encryptedData);
  }

  /**
   * RSA加密
   *
   * @param data 要加密的数据
   * @return 加密后的数据
   * @throws Exception 异常
   */
  public String performRsaEncryption(String data) throws Exception {
    return performEncryption(EncryptionType.RSA, data);
  }

  /**
   * RSA解密
   *
   * @param encryptedData 密文
   * @return 解密后的原始数据
   * @throws Exception 异常
   */
  public String performRsaDecryption(String encryptedData) throws Exception {
    return performDecryption(EncryptionType.RSA, encryptedData);
  }
}
